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This became mandatory on September 12. On September 20, Telus Mobility began allocating telephone numbers starting in area code 587 in the Calgary area. [5] An overlay was chosen rather than a splitting 403 or 780, which would have resulted in subscribers in portions of Alberta to change their telephone numbers for the second time in a decade.
Alberta's numbering plan areas and area codes. Area code 780 is a telephone area code in the North American Numbering Plan (NANP) for the Canadian province of Alberta.The numbering plan area comprises the northern two thirds of the province, including the Edmonton area.
Local calls from Canadian landlines are dialled without the trunk prefix. Overseas calls to locations outside the NANP are dialled with the 011 international prefix, followed by the country code and the national significant number. Canada was divided into nine numbering plan areas with unique area codes in 1947 when the American Telephone and ...
Area code 403 is a telephone area code in the North American Numbering Plan (NANP) for the Canadian province of Alberta. The numbering plan area encompasses the southern third of the province, which includes the Calgary area. This numbering plan area is also served by area codes 587, 825, and 368, which form a complex overlay for all of Alberta.
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.
Overlay complexes are used to add central office prefixes in an NPA to increase the number of available telephone numbers. [1] Overlay area codes ... Alberta: 829 ...
Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). 7 Claro 8: Instituto Costarricense de Electricidad (Kölbi) Croatia +385: 91: 9: A1 Hrvatska: Due to Mobile number portability the prefix of an existing number does not determine the carrier. Any new number will follow the ...
0–9. Area codes 204, 431, and 584; Area code 250; Area codes 306, 639, and 474; Area codes 418, 581, and 367; Area code 403; Area codes 416, 647, and 437